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42111130 = 254211113
BaseRepresentation
bin1010000010100…
…1000010011010
32221020110121111
42200221002122
541240024010
64102330534
71020636655
oct240510232
987213544
1042111130
1121852796
1212129a4a
138955739
14584289c
153a6c58a
hex282909a

42111130 has 8 divisors (see below), whose sum is σ = 75800052. Its totient is φ = 16844448.

The previous prime is 42111119. The next prime is 42111131. The reversal of 42111130 is 3111124.

It can be written as a sum of positive squares in 2 ways, for example, as 41847961 + 263169 = 6469^2 + 513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42111130.

It is not an unprimeable number, because it can be changed into a prime (42111131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105547 + ... + 2105566.

Almost surely, 242111130 is an apocalyptic number.

42111130 is a deficient number, since it is larger than the sum of its proper divisors (33688922).

42111130 is a wasteful number, since it uses less digits than its factorization.

42111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211120.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 42111130 is about 6489.3089000293. The cubic root of 42111130 is about 347.9089745193.

Adding to 42111130 its reverse (3111124), we get a palindrome (45222254).

The spelling of 42111130 in words is "forty-two million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 4211113 8422226 21055565 42111130